255428030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{178621}}^1$

素因数の和:178652

約数の個数: 32

約数和(自身を含む): 540152928

約数和(自身を除く): 284724898

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 178621, 357242, 893105, 1786210, 1964831, 2322073, 3929662, 4644146, 9824155, 11610365, 19648310, 23220730, 25542803, 51085606, 127714015, 255428030]

約数ペア:

[(1, 255428030), (2, 127714015), (5, 51085606), (10, 25542803), (11, 23220730), (13, 19648310), (22, 11610365), (26, 9824155), (55, 4644146), (65, 3929662), (110, 2322073), (130, 1964831), (143, 1786210), (286, 893105), (715, 357242), (1430, 178621)]